Developer container and printing apparatus

Abstract

The invention provides a developer container and a printing device. The developer container comprises a box body; a first roller; a cover member; the transmission part comprises a transmission gear; the triggering component comprises a rotating component, the rotating component comprises a driving force transmission piece which can be meshed with the transmission gear and rotate around a rotating axis, and the driving force transmission piece is provided with at least one driving tooth part which is arranged in the circumferential direction; the inducted component comprises a base body fixed relative to the cover component and an inducted assembly arranged on the base body, the inducted assembly comprises a sliding block and a movable plate, and the sliding block is provided with a connecting tooth part located on the moving track of the driving tooth part; the first elastic piece is used for pulling the sliding block to move from the sensing area to the non-sensing area, and the second elastic piece can enable the movable plate to move from the first position to the second position. The developer container is not prone to interference and damage with the internal structure of equipment during installation, the occupied space is small, and the structure is stable and reliable.

Description

Technical Field

[0001] The present invention relates to the technical field of printing equipment, and in particular to a developer container and a printing equipment. Background Art

[0002] Printing devices are common office supplies, typically providing functions such as printing, copying, and scanning. In laser printers, the developer is a core component, storing developer that needs to be replaced or replenished when consumed. Currently, there are numerous types of printing devices, each compatible with a variety of developer devices. Therefore, a detection mechanism is required on printing devices to identify the installed developer and determine whether it meets the requirements of the printing device, thereby preventing damage to the device caused by an incompatible developer.

[0003] The detected structure on the existing developing device is usually a counting gear exposed on the outside of the developing device and having an outward protruding portion. The counting gear has multiple detection protrusions arranged circumferentially around its axis. After the developing device is installed in the printing device, the counting gear is driven to rotate. At this time, the detection protrusions contact the detection mechanism in turn to trigger the detection signal.

[0004] However, since the detection protrusion needs to protrude outward to contact the detection mechanism, during the installation of the developing device, the protruding counting gear part of the above structure is prone to collision and damage with the side wall or detection mechanism inside the printing device. If the user uses too much force when disassembling and assembling, it may cause damage to the interior of the printing device or the detection mechanism. Summary of the Invention

[0005] In order to overcome the deficiencies of the prior art, the present invention aims to provide a developer container and a printing device that are unlikely to interfere with or damage the internal structure of the device during installation, occupy a small space, and have a stable and reliable structure.

[0006] In a first aspect, the present invention provides a developer container, which is applied to a printing device, comprising: a box body having a chamber for storing developer; a first roller, rotatably arranged on the box body and located on a powder outlet connected to the chamber; a cover component, the box body having a first side and a second side along the axis of the first roller, and the cover component being detachably fixed to the first side; a transmission component, the transmission component including a transmission gear; a trigger component, comprising: a rotating member, rotatably connected to the box body and accommodated between the cover component and the first side, comprising a driving force transmission member capable of meshing with the transmission gear and rotating around the rotation axis, the driving force transmission member having at least one driving tooth portion arranged circumferentially; a sensed component, comprising a base fixed relative to the cover component and a sensed component arranged on the base, the sensed component including a slider capable of moving along a first trajectory relative to the base. A movable plate movably arranged on the slider, the slider having a connecting tooth portion located on a moving track of the driving tooth portion, the first track including a sensing area and a non-sensing area; a first elastic member and a second elastic member, the first elastic member being used to pull the slider from the sensing area to the non-sensing area, the second elastic member being able to move the movable plate from the first position to the second position, the second position being farther away from the first side than the first position; wherein the base has a receiving stop portion on the non-sensing area, when the slider is in the non-sensing area, the receiving stop portion blocks the movable plate so that the movable plate is located in the first position, and when the slider is in the sensing area, the movable plate is located in the second position under the action of the second elastic member; when the driving tooth portion rotates along a specified direction, the connecting tooth portion is engaged to move the slider from the non-sensing area to the sensing area.

[0007] According to the developer container described in the embodiment of the first aspect of the present invention, the movable plate serving as the sensed structure can be stored in the first position, so that the detection component on the detection mechanism adapted for the device body only needs to perform the sensing action on the movable plate at the second position, so that the position of the detection component is staggered with the installation path of the sensing structure when the developing device is installed, thereby avoiding interference with each other and causing damage. In addition, the slider moving along the first trajectory is combined with the sensing structure design of the first elastic member, replacing the detection method in the original counting gear structure that is difficult to adapt to multi-model identification, thereby meeting the requirements for model diversity detection, and the space occupied by the overall structure is significantly reduced, and the structure is stable, compact and reliable.

[0008] In a preferred embodiment of the present invention, the distance between the farthest end of the movable plate at the second position and the first side is greater than the distance between any other portion of the developer container and the first side in the distance-away direction.

[0009] In a preferred embodiment of the present invention, the first trajectory is perpendicular to the rotation axis of the first roller.

[0010] In a preferred embodiment of the present invention, the movable plate is rotatably disposed on the slider and its rotation axis is perpendicular to the first track. A contact surface is provided on a side of the movable plate facing away from the first side, and the contact surface is inclined along the first track in a direction away from the first side when the movable plate is in the second position. The distance between the receiving stop and the first side is greater than the shortest distance between the contact surface and the second side when the movable plate is located at the second position.

[0011] In a preferred embodiment of the present invention, the two ends of the first elastic member are located between the slider and the base and provide a first force in a first direction, and the two ends of the second elastic member are located between the slider and the movable plate and provide a second force in a second direction. The first direction is parallel to the first trajectory, and the second direction is perpendicular to the first direction.

[0012] In a preferred embodiment of the present invention, the driving force transmission member includes a first rotating disk and a second rotating disk which are arranged synchronously, and the first rotating disk is circumferentially provided with a transmission tooth portion for engaging with the transmission gear and a disengagement portion adjacent to the transmission tooth portion, and each of the driving teeth portions is circumferentially arranged on the second rotating disk, and when the disengagement portion is toward the engagement point between the first rotating disk and the transmission gear, the first rotating disk disengages from the transmission gear.

[0013] In a preferred embodiment of the present invention, the slider includes a first part and a second part arranged along the axial direction of the second rotating disk, the first part is closer to the first side than the second part, the connecting tooth portion is located on the first part, and the movable plate is movably arranged on the second part.

[0014] In a preferred embodiment of the present invention, the trigger component also includes a third elastic member, and the rotating member also has a position maintaining portion, which rotates with the driving force transmission member and has a disengagement slot, and the third elastic member presses against the circumferential side wall of the position maintaining portion. When the disengagement portion is toward the meshing point between the first rotating disk and the transmission gear, the third elastic member presses against the disengagement slot.

[0015] In a preferred embodiment of the present invention, the driving force transmission member also has at least one time stop portion arranged circumferentially, and the time stop portion is located downstream of the driving tooth portion in the rotation direction of the driving force transmission member and is close to the driving tooth portion, and the distance between the time stop portion and the rotation axis of the driving force transmission member is not less than the distance between the engagement point on the driving tooth portion where the connecting tooth portion is engaged and the rotation axis.

[0016] Using the developer container provided by the present invention, a second aspect provides a printing device, comprising a device body and the developer container as described in the embodiment of the first aspect, which is arranged in the device body.

[0017] Other features and advantages of the invention will be described in the following description and, in part, will become apparent from the description or be understood through implementation of the technical solutions of the invention. The objectives and other advantages of the invention can be achieved and obtained through the structures and / or processes particularly pointed out in the description, claims, and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic structural diagram of a printing device provided in an embodiment of the present invention;

[0019] Figure 2 A schematic structural diagram of a developing assembly provided in an embodiment of the present invention;

[0020] Figure 3 A schematic structural diagram of a developer container provided by an embodiment of the present invention;

[0021] Figure 4 A schematic structural diagram of a developer container provided by an embodiment of the present invention from a first viewing angle after a cover component is hidden;

[0022] Figure 5 for Figure 4 A partial enlarged schematic diagram of point E in the middle;

[0023] Figure 6 A schematic structural diagram of a developer container provided by an embodiment of the present invention from a second perspective after a cover component is hidden;

[0024] Figure 7 for Figure 6 A partial enlarged schematic diagram of point F in the middle;

[0025] Figure 8 A schematic structural diagram of a developer container provided by an embodiment of the present invention from a third perspective after a cover component is hidden;

[0026] Figure 9 A schematic structural diagram of a trigger component provided in an embodiment of the present invention;

[0027] Figure 10 A schematic structural diagram of a sensed component from a first perspective according to an embodiment of the present invention;

[0028] Figure 11 A schematic structural diagram of a second viewing angle of a sensed component provided by an embodiment of the present invention;

[0029] Figure 12 A schematic diagram of the internal structure of a sensed component provided in an embodiment of the present invention;

[0030] Figure 13 This is a structural diagram of the sensed component provided by an embodiment of the present invention when it is assembled in the device body.

[0031] Description of Figure Numbers: 1 device body, 11 paper cassette, 12 pickup assembly, 13 conveying assembly, 14 transfer assembly, 15 developing assembly, 16 scanning assembly, 17 fixing assembly, 18 paper discharge assembly, 20 photosensitive member, 21 photosensitive drum, 22 housing, 23 charging roller; 100 box body, 110 powder outlet; 200 first roller; 300 cover parts; 400 transmission component, 410 first gear, 420 second gear, 430 transmission gear; 500 trigger component, 510 rotating component, 511 driving force transmission component, 511a first rotating disk, 511b second rotating disk, 512 driving tooth portion, 513 transmission tooth portion, 514 disengaging portion, 515 time stop portion, 520 sensed component, 521 base, 521a storage stop portion, 521b first boss, 521c slide groove, 522 slider, 523 movable plate, 523a first position, 523b second position, 523c first part, 523d ​​second part, 5231 contact surface, 5232 second boss, 5233 sliding protrusion, 524 connecting tooth portion, 525 position maintaining portion, 525a disengaging bayonet, 525b fixing plate, 530 first elastic member, 540 second elastic member, 550 third elastic member, 551 pressing portion. DETAILED DESCRIPTION

[0032] The following will describe the implementation methods of the present invention in detail with reference to the accompanying drawings and examples, so that the implementation process of how the present invention applies technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly. It should be noted that these specific descriptions are only for ordinary technicians in this field to understand the present invention more easily and clearly, and are not a restrictive interpretation of the present invention; for example, the first and second mentioned in the embodiments of the present invention do not constitute a limitation thereto, but are merely for expressing the serial numbers of multiple identical or similar devices and mechanisms. Ordinary technicians in this field can also readjust these serial numbers for the convenience of expression or in the process of arranging technical solutions; and alternative solutions are described for some mechanisms in different embodiments, and these alternatives can also be applied to other identical or similar devices and mechanisms; and as long as there is no conflict, the various embodiments of the present invention and the various features in each embodiment can be combined with each other, and the technical solutions formed are all within the scope of protection of the present invention.

[0033] The technical solution of the present invention is described in detail below through the accompanying drawings and specific embodiments.

[0034] The embodiment of the present invention provides a printing device, referring to Figure 1 , including a device body 1 and a paper box 11, a pickup assembly 12, a conveying assembly 13, a transfer assembly 14, a developing assembly 15, a scanning assembly 16, a fixing assembly 17 and a paper discharge assembly 18 arranged in the device body 1. A paper conveying path is provided in the device body 1. Paper for printing is stacked and stored in the paper box 11. The pickup assembly 12 includes a pickup roller, which contacts the stacked paper and feeds the paper into the paper conveying path. The conveying assembly 13 includes a correction roller and a paper feed roller. The correction roller is used to correct the position of the paper in the paper conveying path. The paper feed roller is used to transport the paper in the paper conveying path. The developing assembly 15 forms an image composed of a developer in its interior and transfers the image to the transfer assembly 14. The transfer assembly 14 transfers the image in the paper conveying path. After acquiring the image, the paper is further conveyed to the fixing assembly 17. The fixing assembly 17 fixes the image on the surface of the paper by heating. The paper after printing is finally discharged to the outside of the device body 1 by the paper discharge assembly 18.

[0035] The scanning assembly 16 includes a laser emitting unit and an optical component for deflecting the laser emitted by the laser emitting unit. The optical component may be composed of multiple optical components to deflect the laser to the developing assembly 15 for the imaging process of the developing assembly 15. Figure 2 The developing assembly 15 includes a photosensitive member 20 having a photosensitive drum 21 having a photosensitive surface. The laser light is deflected onto the photosensitive surface to form an electrostatic latent image, and then the electrostatic latent image is used to form an image in the developer.

[0036] The prior art counting gear structure has multiple detection protrusions, each representing a detection signal, and the width of the detection protrusion determines the duration of the information. Therefore, when the detection component on the device body detects the counting gear, each detection protrusion triggers the detection component to generate a detection signal. The number of detection signals and the duration of the corresponding information represent the model of the corresponding developing assembly. In this structure, the detection component is typically provided with a movable detection rod that can trigger the detection signal inside the device body. When the developing assembly is installed inside the printing device, the detection rod will stay on the moving path of the detection protrusion on the counting gear. For example, in the prior art of CN107305333B, the protrusion switches between contact and non-contact with the touch rod of the electronic photographic imaging device under the power of the transmission gear, thereby achieving counting. However, this structure is not reliable. The touch rod, i.e., the aforementioned detection rod, may collide with the outer wall of the installation location when the developing device is installed, causing damage. Moreover, under this detection method, each protrusion, i.e., the detection convex portion, is used as the part that drives the feeler rod, but the number and triggering duration that can be designed are limited, which has a major design defect and is difficult to meet the design requirements of various existing equipment models.

[0037] Therefore, if Figures 2 to 12 As shown, the developing assembly in the embodiment of the present invention includes a developer container, which includes a box body 100, a first roller 200, a cover component 300, a transmission component 400 and a trigger component 500. The box body 100 has a chamber for storing the developer and a powder outlet 110 connected to the chamber. The first roller 200 is rotatably arranged on the powder outlet 110 to transfer the developer to the outside of the box body 100. The box body 100 has a first side and a second side in the axial direction of the first roller 200. The cover component 300 is connected by screws and snaps. The first roller 200 is fixed to the first side in a detachable connection manner, and a storage space is formed between the first side wall and the side wall, which can accommodate components such as the transmission component 400. The transmission component 400 is designed as a driving gear set in this embodiment. The driving gear set includes a first gear 410, a second gear 420 and a transmission gear 430. The first gear 410 is used to drive the first roller 200 to rotate, and the second gear 420 is used to receive an external driving force from the device body, thereby driving the entire driving gear set to operate. The transmission gear 430 is used to cooperate with the trigger component 500.

[0038] The developing assembly further includes a photosensitive member 20, see Figure 2The photosensitive component 20 can be set in the developer container to form an integral structure, or it can be detachably assembled with the developer container to form a split structure, wherein the photosensitive component 20 includes a shell 22 and a photosensitive drum 21 and a charging roller 23 rotatably set in the shell 22. The charging roller 23 is used to fill the surface of the photosensitive drum 21 with electric charge. The surface of the first roller 200 is in contact with the surface of the photosensitive drum 21. During the imaging process, after the charging roller 23 charges the surface of the photosensitive drum 21, the electrostatic latent image formed on the photosensitive drum 21 by the scanning component forms a developer image after receiving the developer from the first roller 200. The developer image is then transferred to the printing medium through the transfer component.

[0039] The triggering component 500 is used to trigger the detection component within the device body, thereby generating detection information that can identify the corresponding model. The triggering component 500 includes a rotating member 510, a sensed member 520, a first elastic member 530, and a second elastic member 540. The rotating member 510 is used to receive the driving force from the transmission component 400 and selectively transfer the driving force to the sensed member 520. Specifically, the rotating member 510 is rotatably connected to the box body 100 and is housed between the cover member 300 and the first side, that is, located within the storage space and protected by the cover member 300. The rotating member 510 includes a driving force transmission member 511 that can mesh with the transmission gear 430 and rotate about a rotation axis. The driving force transmission member 511 has a circumferential surface axially arranged about the rotation axis, and has at least one driving tooth portion 512 on the circumferential surface. Each driving tooth portion 512 is composed of a plurality of teeth. The rotation axis around which the driving force transmission member 511 rotates is a first axis. The first axis is parallel to the second axis around which the first roller 200 rotates, and both are along the length direction of the cover body.

[0040] The sensed member 520 includes a base 521 and a sensed component arranged on the base 521. The base 521 is relatively fixed to the cover member 300 or the box body 100 by means of snap fastening, screw connection, etc. The sensed component includes a slider 522 movably arranged on the base 521 and a movable plate 523 movably arranged on the slider 522. The slider 522 can reciprocate along a first track on the base 521 and has a connecting tooth portion 524 located on the moving track of the driving tooth portion 512. The connecting tooth portion 524 located on the moving track of the driving tooth portion 512 is specifically manifested as follows: when the slider 522 is in the initial position, for example Figure 10 At position P, the connecting tooth portion 524 has at least one tooth arranged at the moving track position of the driving tooth portion 512, and the slider 522 moves along the first direction (such as Figure 8During the movement in the direction U) of the moving direction, the connecting tooth portion 524 is arranged in sequence along the moving direction, wherein the tooth located at the front end in the moving direction is the first tooth, and the tooth located at the rear end in the moving direction is the second tooth. At the starting position, since the first tooth is located on the moving trajectory of the driving tooth portion 512, when the driving force transmission member 511 rotates along its rotation direction W, the front end of the driving tooth portion 512 contacts the first tooth to push the slider 522 to move forward in the first direction until the connecting tooth portion 524 is disengaged from the driving tooth portion 512.

[0041] The first track includes the sensing area and the non-sensing area, and the initial position is set on the non-sensing area. Figure 8 In the region A, the movable plate 523 cannot be detected by the detection component in the region A. The sensing area is as follows Figure 8 In area B, the movable plate 523 is within the detection range of the detection component in area B, triggering the detection component and causing it to generate a corresponding detection signal. In this embodiment, the detection component can be set as a photoelectric sensor, which detects the movable plate 523 by emitting detection light. This detection method is a non-contact detection method, replacing the contact collision interference structure in the prior art. The first elastic member 530 is used to pull the slider 522 from the sensing area to the non-sensing area. One end of the first elastic member 530 is connected to the base 521, the cover member 300 or the box body 100, and the other end is connected to the slider 522 as a force-applying end to provide a first elastic force in the opposite direction of the first direction. When the connecting tooth portion 524 is disengaged from the driving tooth portion 512 or there is no other structure on the driving force transmission member 511 that allows the slider 522 to stay in the sensing area, the first elastic force pulls the slider 522 in the opposite direction of the first direction to return to the initial position. The second elastic member is used to move the movable plate 523 from the first position 523a to the second position 523b. The first position 523a and the second position 523b are as follows. Figure 10 As shown, the second position 523b is further away from the first side than the first position 523a, that is, in the axis direction (whether the first axis or the second axis), the second position 523b is more protruding outside the box body 100 than the first position 523a. Figure 13 The movable plate 523 at the second position 523b coincides with the area C in the first direction, but the movable plate 523 at the second position 523b is offset from the area C in the first direction, so that if the movable plate 523 is moved along the first direction in the second position 523b, it can be moved to the position of the area C, thereby being detected by the detection component. If it is moved along the first direction in the first position 523a, it cannot be moved to the position of the area C, and cannot be detected by the detection component. During the installation process of the developing assembly in the device body, the direction perpendicular to the axial direction and biased towards the first direction (such as Figure 8 and Figure 13 Therefore, the area C, ie, the detection area, is not in the moving direction of the movable plate 523 at the first position 523a, but in the moving direction of the movable plate 523 at the second position 523b.

[0042] The base 521 has a receiving stop 521a in the non-sensing area. When the slider 522 is in the non-sensing area, or at least in its initial position within the non-sensing area, the receiving stop 521a blocks the movable plate 523, causing it to be in the first position 523a. When the slider 522 is in the sensing area, the movable plate 523 is moved to the second position 523b under the action of the second elastic member 540. Thus, the receiving stop 521a keeps the movable plate 523 in the first position 523a in its initial position. Therefore, during the development assembly installation process, the movable plate 523 in the first position 523a will not extend into the detection area and contact the detection component, thus preventing damage. After the development assembly is installed, if the slider 522 moves along the first trajectory to the sensing area, the movable plate 523 elastically extends to the second position 523b, entering area C, and thereby being detected by the detection component.

[0043] For specific implementation, see Figures 3 to 13As the driving force transmission member 511 rotates in a specified direction, i.e., direction W, the driving tooth portion 512 engages with the connecting tooth portion 524, thereby transmitting the driving force to the slider 522, causing the slider 522 to move from the non-sensing area to the sensing area. When the slider 522 leaves the non-sensing area, the second elastic member 540 pushes the movable plate 523 from the first position 523a to the second position 523b, exposing it to the detection area and being sensed by the detection component, thereby triggering a detection signal. When only one driving tooth portion 512 is provided, the detection signal is only triggered once when the driving force transmission member 511 rotates one revolution. If two or more driving tooth portions 512 are provided, the driving tooth portions 512 are triggered the same number of times when the driving force transmission member 511 rotates one revolution, thereby transmitting multiple detection signals. In the detection duration of each detection signal, the width of the movable plate 523 in the first direction can be combined with the circumferential length of the driving tooth portion 512 for design. For example, when the movable plate 523 is wide enough, there will be a critical point on the detection area that is compatible with the sensing area. When the movable plate 523 passes through the critical point, it can trigger the detection component to form a detection signal. Therefore, the residence time of the movable plate 523 in the detection area can be determined by the engagement time of the driving tooth portion 512 with the connecting tooth portion 524. When the engagement time is longer, the detection signal will be longer with the corresponding duration. Combined with the triggering design of the number and length of the aforementioned driving teeth 512, the signal transmission form can be concentrated on the transmission method of the driving force transmission member 511. When the driving force transmission member 511 selectively drives the slider 522 with a driving tooth 512, a detection signal is generated. There is no need to independently design multiple detected parts to trigger the detected parts. The structure is more stable and reliable than the existing counting gear design method, and can meet the adaptation requirements of diverse models. It can more accurately identify the specifications and characteristics of the models that can be adapted, especially for the structure of a developing device that adapts to multiple models of one machine. The developing device may be divided into multiple models such as large capacity, ordinary capacity or small capacity according to user needs. This design method can achieve accurate detection without the need for additional design of detected parts, does not occupy additional design space, and shortens the size of the developing component.

[0044] In one embodiment, see Figure 2 The distance between the farthest end of the movable plate 523 at the second position 523b and the first side is greater than the distance between any other part of the developer container and the first side in the distance-away direction. Figure 1For example, when the slider 522 is in the sensing area and the movable plate 523 moves to the second position 523b, the farthest end of the movable plate 523 relative to the cartridge body 100 in the axial direction is position point P. This position point P is the farthest part from any other point on the toner container, such as the base 521 portion outside the movable plate 523 or the second gear 420 in this embodiment, but these two portions do not exceed the movable plate 523 at the second position 523b. Therefore, these portions do not fall into the area C, i.e., the detection area, in the first direction. Specifically, see Figure 13 When the developing assembly is installed in the corresponding assembly position in the device body along direction V, since the detection area is not in the installation direction of all structures of the developing assembly (because the movable plate 523 is in the first position 523a), the corresponding detection component in the detection area will not touch or interfere with any structure on the developing assembly in this direction, thereby forming effective protection.

[0045] In another embodiment, see Figure 5 and Figure 8 The first track is perpendicular to the rotation axis of the first roller 200, that is, in this embodiment, the first track is arranged along the first direction, and the first direction is perpendicular to the axial direction. At this time, the slider 522 translates along the side wall direction parallel to the first side during the movement, thereby ensuring that the axial dimension of the developing assembly remains consistent during the movement of the slider 522, which is beneficial to the compactness of the overall structure and the rational use of the axial dimension space.

[0046] The movable plate 523 is rotatably mounted on the slider 522, and its rotation axis (set as the third axis) is perpendicular to the first track. The movable plate 523 is provided with a contact surface 5231 on the side facing away from the first side. When the movable plate 523 is located at the second position 523b, the contact surface 5231 is tilted along the first track in a direction away from the first side. Figure 12 and combined Figure 8, the third axis is located at a position close to the non-sensing area. When the movable plate 523 is separated from the storage baffle, it rotates around the third axis toward the direction away from the first side under the action of the second elastic member 540. At this time, the contact surface 5231 is offset in the first direction toward the direction away from the first side, and the distance between the storage baffle 521a and the first side is greater than the shortest distance between the contact surface 5231 and the second side when the movable plate 523 is in the second position 523b. When the slider 522 moves from the sensing area to the non-sensing area under the action of the first elastic member 530, the contact surface 5231 serves as the contact part with the storage baffle 521a, and the inclined structure pushes the movable plate 523 to rotate around the third axis toward the direction close to the first side, so that the movable plate 523 is reset from the second position 523b to the first position 523a. The elastic force exerted by the first elastic member 530 on the slider 522 is greater than the frictional force generated by the second elastic member 540 acting on the contact surface 5231 and contacting the receiving stop 521a, thereby enabling the movable plate 523 to be retracted into the base 521 and reset to the first position 523a. This structural design facilitates the automatic outward swing of the movable plate 523 in the detection direction, i.e., the first direction, and the retraction and retraction process in the direction opposite to the first direction. This mechanical structure ensures accurate transmission of detection information and provides excellent protection for the movable plate 523, resulting in a simple and reliable structure. Furthermore, the movable plate 523 can also be arranged on the slider 522 for linear movement along the axis, with the contact surface 5231 being an inclined edge located at the edge of the movable plate 523, thereby achieving the aforementioned effects. This is all within the scope of the present invention.

[0047] Furthermore, the two ends of the first elastic member 530 are located between the slider 522 and the base 521, providing a first force in the first direction between the two, so that the slider 522 always maintains a movement tendency in the opposite direction of the first direction relative to the base 521 under the first force, so that when the driving tooth portion 512 and other components on the driving force transmission member 511 no longer restrict the slider 522, it is reset to the initial position of the non-sensing area; the two ends of the second elastic member 540 are located between the slider 522 and the movable plate 523, providing a second force in the second direction between the two, so that the movable plate 523 always maintains a movement tendency in the direction away from the first side relative to the slider 522 under the action of the second force, so that when the storage stop 521a no longer blocks the movable plate 523, it extends from the base 521 to reach the second position 523b. The first direction is parallel to the first trajectory, and the second direction is perpendicular to the first direction, such that the first direction is along the sidewall of the box body 100 and the second direction is along the axial direction. The first force and the second force, which act in mutually perpendicular directions, substantially do not affect each other. While ensuring their respective effectiveness, the internal structure of the trigger component 500 is compact and reliable, and is not susceptible to force imbalance. Specifically, the base 521 includes a first boss 521b. One end of the first elastic member 530 is sleeved within the first boss 521b, and the second end presses against the inner sidewall of the slider 522. The slider 522 has a second boss 5232 on its inner sidewall in the axial direction. One end of the second elastic member 540 is sleeved within the second boss 5232, and the other end presses against the movable plate 523, thereby generating the first force and the second force.

[0048] In another embodiment, the driving force transmission member 511 includes a first rotating disk 511a and a second rotating disk 511b that are synchronously arranged. The first rotating disk 511a is circumferentially provided with a transmission tooth portion 513 for engaging with the transmission gear 430 and a disengagement portion 514 adjacent to the transmission tooth portion 513. When the transmission tooth portion 513 engages with the transmission gear 430, the first rotating disk 511a drives the driving force transmission member 511 to rotate as a whole until the disengagement portion 514 faces the engagement point between the first rotating disk 511a and the transmission gear 430, and the first rotating disk 511a disengages from the contact with the transmission gear 430. At this time, the driving force transmission member 511 is no longer in contact with the transmission gear 430. Rotate again; the second rotating disk 511b is coaxially arranged with the first rotating disk 511a on the driving force transmission member 511, which can be realized by an integrally formed structure, or can be coaxially fixed by key fitting, welding, etc., and each driving tooth portion 512 is circumferentially arranged on the second rotating disk 511b, and there is an intermittent interval between adjacent driving tooth portions 512. In the intermittent interval, the second rotating disk 511b no longer acts on the connecting tooth portion 524. At this time, the slider 522 can be reset to the non-sensing area under the action of the first elastic member 530, thereby leaving the area of ​​the detection component, canceling the triggering of the detection signal, and forming an interval between the detection signals. With this design, the selective transmission of the driving force is realized on the driving force transmission member 511, so as to form the corresponding detection information, and the disengagement portion 514 on the first rotating disk 511a is used to automatically disconnect the meshing with the transmission gear 430 after the driving force transmission member 511 has completed the transmission of the detection information, no longer receiving its driving force and being in a stopped state, for example, Figure 7 In the figure, the disengagement portion 514 is located between the head and tail ends of the transmission tooth portion 513. When the initial meshing position between the first rotating disk 511a and the transmission gear 430 is the starting position of the transmission tooth portion 513, the driving force transmission member 511 rotates almost one circle under the action of the transmission tooth portion 513 and moves to the disengagement position of the first rotating disk 511a. Correspondingly, each driving tooth portion 512 on the second rotating disk 511b is meshed with the connecting tooth portion 524 to form a detection signal.

[0049] In addition, the driving force transmission member 511 also has at least one time-stop portion 515 arranged circumferentially. The time-stop portion 515 is located downstream of the driving tooth portion 512 in the rotation direction of the driving force transmission member 511 and is close to the driving tooth portion 512, so that the corresponding driving tooth portion 512 has completed the engagement with the connecting tooth portion 524, and the time-stop portion 515 acts on the connecting tooth portion 524, wherein the distance between the time-stop portion 515 and the rotation axis of the driving force transmission member 511 is not less than the distance between the engagement point on the driving tooth portion 512 that engages with the connecting tooth portion 524 and the rotation axis, so that after the driving tooth portion 512 leaves the connecting tooth portion 524, the time-stop portion 515 continues to press against one of the teeth of the connecting tooth portion 524 (this tooth is usually the last tooth, i.e., the second tooth), preventing the slider 522 from returning to the sensing position under the action of the first elastic member 530, thereby generating a brief stay at the sensing position, the length of which is related to the circumferential length of the time-stop portion 515, thereby realizing the length control of the detection signal. Specifically, when the position of the slider 522 driven by each driving tooth portion 512 is constant, the duration of the detection signal brought by the driving tooth portion 512 should be consistent, thereby adding a time stop portion 515. Through the structure of the time stop portion 515 with different lengths, the length of the corresponding detection signal is different. For example, when two driving tooth portions 512 are set on the second rotating disk 511b, the detection signal length on the first driving tooth portion 512 needs to be shorter than the detection length of the second driving tooth portion 512. Therefore, the time stop portion 515 on the first driving tooth portion 512 is smaller than the time stop portion 515 on the second driving tooth portion 512, thereby generating signals with different detection durations to transmit corresponding detection information. Based on this, this embodiment can use the number of detection signals and the length of the detection time to control the transmission of detection information, thereby realizing the diversified needs of information transmission. Moreover, in this embodiment, the driving tooth portion 512 drives the slider 522 to the same position, and realizes the residence time of the movable plate 523 through the time stop portion 515, thereby ensuring the detection accuracy of the same position. At the same time, there is no need to increase the activity space of the slider 522 to adapt to the diversified detection requirements of models.

[0050] In a specific embodiment, for example Figure 12The slider 522 includes a first portion 523c and a second portion 523d ​​arranged along the axis of the second rotating disk 511b. The first portion 523c is closer to the first side than the second portion 523d. The connecting tooth portion 524 is located at the first position, and the movable plate 523 is movably arranged on the second portion 523d. This structure rationally designs the space between the connecting tooth portion 524 and the movable plate 523 while reserving assembly space for the first elastic member 530 and the second elastic member 540. The connecting tooth portion 524 is located inside the movable plate 523, so that it can be hidden and protected in the storage space. The bottom of the base 521 has a slide groove 521c, and the bottom of the slider 522 has a sliding protrusion 5233 disposed within the slide groove 521c, thereby enabling the slider 522 to move along the first trajectory relative to the slide groove 521c.

[0051] See Figure 6 and Figure 7 The trigger component 500 further includes a third elastic member 550. The rotating member 510 further includes a position holding portion 525, wherein the position holding portion 525 is located between the first rotating disk 511a and the second rotating disk 511b, rotates as the driving force transmission member 511 rotates, and has a disengagement bayonet 525a, which opens in a radial direction facing away from the rotation axis of the driving force transmission member 511. In this embodiment, the disengagement bayonet 525a is formed by two circumferentially arranged fixing plates 525b. The third elastic member 550 The connecting base 521, the cover part 300 or the box body 100 (in this embodiment, the connecting part is located on the cover part 300) has a pressing part 551, which presses on the circumferential side wall of the position maintaining part 525. When the disengagement part 514 is toward the engagement between the first rotating disk 511a and the transmission gear 430, the third elastic member 550 presses against the disengagement bayonet 525a, thereby achieving the goal of keeping the driving force transmission member 511 in the disengaged position when the driving force transmission member 511 is disengaged from the transmission gear 430.

[0052] During implementation of the embodiment of the present invention, after the second gear 420 receives the driving force from the device body, the first gear 410 on the transmission component 400 drives the first roller 200 to rotate. The transmission gear 430 engages the transmission tooth portion 513 located at the starting position to drive the first rotating disk 511a to rotate, thereby driving the entire driving force transmission member 511 to operate. During operation, the driving tooth portion 512 engages the connecting tooth portion 524 to move the slider 522 from the non-sensing area to the sensing area, thereby triggering a detection signal from the detection component. When the driving tooth portion 512 leaves the connecting tooth portion 524, the timer 515 causes the slider 522 to remain at the sensing position for a specified time until the timer 515 leaves the connecting tooth portion 524. The slider 522 moves from the non-sensing area to the sensing area under the action of the first elastic member 530, and the detection signal from the detection component disappears. As the last driving tooth portion 512 leaves the connecting tooth portion 524 and the first rotating disk 511a disengages from the transmission gear 430, the detection process ceases. As for the reset in the embodiment of the present invention, it is only necessary to manually continue to rotate the driving force transmission member 511 along the original rotation direction to make the driving force transmission member 511 engage with the transmission gear, and then the next detection process can be performed, which is very simple and efficient.

[0053] Finally, it should be noted that the above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Anyone skilled in the art can utilize the above-disclosed practices and technical content to make numerous possible variations and simple substitutions to the present invention without departing from the scope of the present invention, and all such variations and substitutions are within the scope of protection of the present invention.

Claims

1. A developer container, used in a printing device, characterized in that: include: a cartridge body having a chamber for storing a developer; a first roller rotatably mounted on the box body and located on a powder outlet communicating with the chamber; a cover member, wherein the box body has a first side and a second side along the axis direction of the first roller, and the cover member is detachably fixed to the first side; A transmission component, wherein the transmission component includes a transmission gear; Trigger components, including: a rotating member, rotatably connected to the box body and received between the cover member and the first side, comprising a driving force transmission member capable of meshing with the transmission gear and rotating about a rotation axis, the driving force transmission member having at least one driving tooth portion circumferentially arranged thereon; The sensed member comprises a base fixed relative to the cover member and a sensed component disposed on the base, the sensed component comprising a slider movable relative to the base along a first track to move a movable plate disposed on the slider, the slider having a connecting tooth portion located on a moving track of the driving tooth portion, the first track comprising a sensing area and a non-sensing area; a first elastic member and a second elastic member, wherein the first elastic member is used to pull the slider to move from the sensing area to the non-sensing area, and the second elastic member is capable of moving the movable plate from the first position to the second position, wherein the second position is further away from the first side than the first position; The base has a receiving stopper on the non-sensing area. When the slider is in the non-sensing area, the receiving stopper blocks the movable plate so that the movable plate is located in the first position. When the slider is in the sensing area, the movable plate is located in the second position under the action of the second elastic member. When the driving teeth rotate in a designated direction, the connecting teeth are engaged to move the slider from the non-sensing area to the sensing area.

2. The developer container according to claim 1, wherein The distance of the farthest end of the movable plate located at the second position from the first side is greater than the distance of any other portion of the developer container from the first side in the distance-away direction.

3. The developer container according to claim 1, wherein The first trajectory is perpendicular to the rotation axis of the first roller.

4. The developer container according to claim 3, wherein The movable plate is rotatably disposed on the slider and its rotation axis is perpendicular to the first track. A contact surface is provided on a side of the movable plate facing away from the first side. When the movable plate is in the second position, the contact surface is inclined along the first track in a direction away from the first side. The distance between the receiving stop and the first side is greater than the shortest distance between the contact surface and the second side when the movable plate is located at the second position.

5. The developer container according to claim 1, wherein The two ends of the first elastic member are located between the slider and the base and provide a first force in a first direction. The two ends of the second elastic member are located between the slider and the movable plate and provide a second force in a second direction. The first direction is parallel to the first track, and the second direction is perpendicular to the first direction.

6. The developer container according to claim 1, wherein The driving force transmission component includes a first rotating disk and a second rotating disk arranged synchronously. The first rotating disk is circumferentially provided with a transmission tooth portion for engaging with the transmission gear and a disengagement portion adjacent to the transmission tooth portion. Each of the driving teeth is circumferentially arranged on the second rotating disk. When the disengagement portion is toward the engagement point between the first rotating disk and the transmission gear, the first rotating disk disengages from the transmission gear.

7. The developer container according to claim 6, wherein: The slider includes a first part and a second part arranged along the axis direction of the second rotating disk. The first part is closer to the first side than the second part. The connecting tooth portion is located on the first part, and the movable plate is movably arranged on the second part.

8. The developer container according to claim 6, wherein The trigger component also includes a third elastic member, and the rotating member also has a position holding portion, which rotates with the driving force transmission member and has a disengagement slot. The third elastic member presses against the circumferential side wall of the position holding portion. When the disengagement portion is toward the meshing position of the first rotating disk and the transmission gear, the third elastic member presses against the disengagement slot.

9. The developer container according to any one of claims 1 to 8, wherein The driving force transmission member also has at least one time stop portion arranged circumferentially, and the time stop portion is located downstream of the driving tooth portion in the rotation direction of the driving force transmission member and is close to the driving tooth portion. The distance between the time stop portion and the rotation axis of the driving force transmission member is not less than the distance between the engagement point on the driving tooth portion that engages with the connecting tooth portion and the rotation axis.

10. A printing device, characterized in that: The invention comprises an apparatus body and the developer container according to any one of claims 1 to 9 arranged in the apparatus body.

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